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<ul id="index">
  <li><a href="#NAME">NAME</a></li>
  <li><a href="#SYNOPSIS">SYNOPSIS</a></li>
  <li><a href="#DESCRIPTION">DESCRIPTION</a></li>
  <li><a href="#RETURN-VALUES">RETURN VALUES</a></li>
  <li><a href="#SEE-ALSO">SEE ALSO</a></li>
  <li><a href="#COPYRIGHT">COPYRIGHT</a></li>
</ul>

<h1 id="NAME">NAME</h1>

<p>OPENSSL_VERSION_NUMBER, OPENSSL_VERSION_TEXT, OpenSSL_version, OpenSSL_version_num - get OpenSSL version number</p>

<h1 id="SYNOPSIS">SYNOPSIS</h1>

<pre><code> #include &lt;openssl/opensslv.h&gt;
 #define OPENSSL_VERSION_NUMBER 0xnnnnnnnnnL
 #define OPENSSL_VERSION_TEXT &quot;OpenSSL x.y.z xx XXX xxxx&quot;

 #include &lt;openssl/crypto.h&gt;

 unsigned long OpenSSL_version_num();
 const char *OpenSSL_version(int t);</code></pre>

<h1 id="DESCRIPTION">DESCRIPTION</h1>

<p>OPENSSL_VERSION_NUMBER is a numeric release version identifier:</p>

<pre><code> MNNFFPPS: major minor fix patch status</code></pre>

<p>The status nibble has one of the values 0 for development, 1 to e for betas 1 to 14, and f for release.</p>

<p>for example</p>

<pre><code> 0x000906000 == 0.9.6 dev
 0x000906023 == 0.9.6b beta 3
 0x00090605f == 0.9.6e release</code></pre>

<p>Versions prior to 0.9.3 have identifiers &lt; 0x0930. Versions between 0.9.3 and 0.9.5 had a version identifier with this interpretation:</p>

<pre><code> MMNNFFRBB major minor fix final beta/patch</code></pre>

<p>for example</p>

<pre><code> 0x000904100 == 0.9.4 release
 0x000905000 == 0.9.5 dev</code></pre>

<p>Version 0.9.5a had an interim interpretation that is like the current one, except the patch level got the highest bit set, to keep continuity. The number was therefore 0x0090581f.</p>

<p>OPENSSL_VERSION_TEXT is the text variant of the version number and the release date. For example, &quot;OpenSSL 1.0.1a 15 Oct 2015&quot;.</p>

<p>OpenSSL_version_num() returns the version number.</p>

<p>OpenSSL_version() returns different strings depending on <b>t</b>:</p>

<dl>

<dt id="OPENSSL_VERSION">OPENSSL_VERSION</dt>
<dd>

<p>The text variant of the version number and the release date. For example, &quot;OpenSSL 1.0.1a 15 Oct 2015&quot;.</p>

</dd>
<dt id="OPENSSL_CFLAGS">OPENSSL_CFLAGS</dt>
<dd>

<p>The compiler flags set for the compilation process in the form &quot;compiler: ...&quot; if available or &quot;compiler: information not available&quot; otherwise.</p>

</dd>
<dt id="OPENSSL_BUILT_ON">OPENSSL_BUILT_ON</dt>
<dd>

<p>The date of the build process in the form &quot;built on: ...&quot; if available or &quot;built on: date not available&quot; otherwise.</p>

</dd>
<dt id="OPENSSL_PLATFORM">OPENSSL_PLATFORM</dt>
<dd>

<p>The &quot;Configure&quot; target of the library build in the form &quot;platform: ...&quot; if available or &quot;platform: information not available&quot; otherwise.</p>

</dd>
<dt id="OPENSSL_DIR">OPENSSL_DIR</dt>
<dd>

<p>The &quot;OPENSSLDIR&quot; setting of the library build in the form &quot;OPENSSLDIR: &quot;...&quot;&quot; if available or &quot;OPENSSLDIR: N/A&quot; otherwise.</p>

</dd>
<dt id="OPENSSL_ENGINES_DIR">OPENSSL_ENGINES_DIR</dt>
<dd>

<p>The &quot;ENGINESDIR&quot; setting of the library build in the form &quot;ENGINESDIR: &quot;...&quot;&quot; if available or &quot;ENGINESDIR: N/A&quot; otherwise.</p>

</dd>
</dl>

<p>For an unknown <b>t</b>, the text &quot;not available&quot; is returned.</p>

<h1 id="RETURN-VALUES">RETURN VALUES</h1>

<p>OpenSSL_version_num() returns the version number.</p>

<p>OpenSSL_version() returns requested version strings.</p>

<h1 id="SEE-ALSO">SEE ALSO</h1>

<p><a href="../man7/crypto.html">crypto(7)</a></p>

<h1 id="COPYRIGHT">COPYRIGHT</h1>

<p>Copyright 2000-2018 The OpenSSL Project Authors. All Rights Reserved.</p>

<p>Licensed under the OpenSSL license (the &quot;License&quot;). You may not use this file except in compliance with the License. You can obtain a copy in the file LICENSE in the source distribution or at <a href="https://www.openssl.org/source/license.html">https://www.openssl.org/source/license.html</a>.</p>


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